import { Ref } from 'vue';
/**
 * All possible `showError` values.
 */
export declare const ShowErrorModes: readonly [true, false, "touched"];
/**
 * Configures if and when errors are shown.
 * When `true`, errors will be shown initially.
 * When `false`, errors will never be shown.
 * `"touched"` only shows an error *after* a user has significantly interacted with the input.
 * See [:user-invalid](https://drafts.csswg.org/selectors/#user-invalid-pseudo).
 */
export type ShowErrorMode = boolean | "touched";
export declare const useErrorClass: (showError: Readonly<Ref<ShowErrorMode>>) => import('vue').ComputedRef<"onyx-form-element--immediate-invalid" | "onyx-form-element--suppress-invalid" | "onyx-form-element--touched-invalid">;